Taylor Swift wasn't the only one shaking it off last weekend after her fans caused the ground to tremor in a 2.3 magnitude 'earthquake' at a concert in Seattle.
Swift's fans were simply unable to keep themselves off the Richter scale as they witnessed the singer perform one of her most famous songs.
A sold-out crowd of 144,000 came to see Swift 'Shake It Off' at the Lumen Field stadium on 22 and 23 July, part of her Eras Tour.
However, it wasn't just fans who were paying close attention to the concert, as seismologist Jackie Caplan-Auerbach - a geology professor at Western Washington University - revealed that the event did in fact cause a 'Swift Quake'.
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“I grabbed the data from both nights of the concert and quickly noticed they were clearly the same pattern of signals,” she told CNN.
“If I overlay them on top of each other, they’re nearly identical.”
The geology professor compared the incident with the 2011 'Beast Quake', when Seattle Seahawks fans celebrated a legendary touchdown by running back Marshawn 'Beast Mode' Lynch.
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She noted that the difference between the 'Beast Quake' and 'Swift Quake' was 0.3, but Swifties will be delighted to know that their enthusiasm for the singer made all the difference.
“The shaking was twice as strong as ‘Beast Quake’. It absolutely doubled it,” Caplan-Auerbach said.
“The primary difference is the duration of shaking.
“Cheering after a touchdown lasts for a couple seconds, but eventually it dies down.
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“It’s much more random than a concert.
“For Taylor Swift, I collected about 10 hours of data where rhythm controlled the behavior.
“The music, the speakers, the beat. All that energy can drive into the ground and shake it.”
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CNN’s Chloe Melas, who attended one of Swift’s Seattle concerts, added: “Going to Taylor’s concert in Seattle was unlike anything I’ve ever experienced.
“You could literally feel the ground shaking beneath your feet. My ears are still ringing.
“That was genuinely one of my favorite weekends ever.”
Reacting to the 'Seismic Swift' on social media, one fan said: "You only hear such things in football. Her craze has really left the dimension of music industry."
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Another joked: "This woman and her fanbase is threat to the society."
While a third also quipped: "I’m sure all the locals just shook it off…"
Someone else added: "Causing earthquakes, videos of her stopping rain and lightning, economic burst, worldwide leaders begging her to come. Are u sure she's not the second messiah??"
At this point, I am afraid we're not.
Topics: Taylor Swift